Argentina. (Puerto Rico - Sweden). 1943. Registered Air Mail envelope 'Via Aerea' written from the 'Embassy of the United States of America/ Office of the Naval Attache/ Buenos Aires' addressed to Sweden bearing Argentina Yvert 376, 25c carmine (2), Yvert 395, 10c brown (2) and Air Mail Yvert 22, 1p red tied by 'E.R.V.V.A. 2/ Buenos Aires' date stamp with boxed 'R' hand-stamp and 'R. Argentina "Exterior" registered label on reverse, endorsed 'via Etados Unidos & Inglaterra', routed via Porto Rico with 'Examined By/ 2921' United States censor in Puerto Rico, sent southern route via Bolama (Portuguese Guinea) and Lisbon, then miss directed to Switzerland and on to Sweden via Berlin with circular 'Ab' in violet on face.
Ex Alistair Kennedy with his notes.